{
  "schema_version": 2,
  "manifest_ref": "reproduction:allecompanion",
  "method": "allecompanion",
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    "split": "chronological last-two; catalog from train counts only",
    "diagnostic_only": true,
    "promotion_eligible": false
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  "evaluation_protocol": {
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    ],
    "formal_comparison": false,
    "claim_policy": "next-product substitution is not a semantic-complementarity benchmark",
    "tier": "l2_public_dataset"
  },
  "provenance": {
    "artifact_path": "docs/reproductions/2609.05063-allecompanion/metrics/amazon-beauty-5core-seeds42-44.json",
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}